Base | Representation |
---|---|
bin | 1001000110000… |
… | …0111101011010 |
3 | 2122210000022110 |
4 | 2101200331122 |
5 | 34231132012 |
6 | 3441333150 |
7 | 642143325 |
oct | 221407532 |
9 | 78700273 |
10 | 38145882 |
11 | 1a594625 |
12 | 109371b6 |
13 | 7b97938 |
14 | 50cd7bc |
15 | 353773c |
hex | 2460f5a |
38145882 has 32 divisors (see below), whose sum is σ = 81126720. Its totient is φ = 11923200.
The previous prime is 38145881. The next prime is 38145883. The reversal of 38145882 is 28854183.
It is an interprime number because it is at equal distance from previous prime (38145881) and next prime (38145883).
It is a self number, because there is not a number n which added to its sum of digits gives 38145882.
It is not an unprimeable number, because it can be changed into a prime (38145881) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9858 + ... + 13170.
It is an arithmetic number, because the mean of its divisors is an integer number (2535210).
Almost surely, 238145882 is an apocalyptic number.
38145882 is an abundant number, since it is smaller than the sum of its proper divisors (42980838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38145882 is a wasteful number, since it uses less digits than its factorization.
38145882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3438.
The product of its digits is 61440, while the sum is 39.
The square root of 38145882 is about 6176.2352610632. The cubic root of 38145882 is about 336.6272120981.
The spelling of 38145882 in words is "thirty-eight million, one hundred forty-five thousand, eight hundred eighty-two".
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